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參數(shù)資料
| 型號： | PT7701N |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 15 AMP HIGH-PERFORMANCE BIG HAMMER PROGRAMMABLE ISR |
| 中文描述： | 15安培高性能可編程ISR的大鐵錘 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 131K |
| 代理商： | PT7701N |
Power Trends, Inc.
27715 Diehl Road, Warrenville, IL 60555 USA
(800) 531-5782
Fax: (630) 393-6902
http://www.ti.com/powertrends
S e r i e s
For assistance or to order, call
(800) 531-5782
P T 7 7 0 0
Standard Application
Cin
Cout= Required 1μH input choke
L1
= Required 330μF electrolytic (x4)
15 AMP HIGH-PERFORMANCE
“BIG HAMMER” PROGRAMMABLE ISR
Ordering Information
PT7701
= 2 to 3.5 Volts
PT7702
= 1.3 to 2 Volts
N
= Vertical through-hole
A
= Horizontal through-hole
C
= Horizontal surface-mount
Pin-Out Information
Pin
Function
1
VID0
2
VID1
3
VID2
4
VID3
5
STBY* - Stand-by
6
Vin
7
Vin
8
Vin
9
Vin
For STBY* pin; open= output enabled; ground= output disabled.
Pin
10
11
12
13
14
15
16
17
18
Function
Vin
Vin
Remote Sense Gnd
GND
GND
GND
GND
GND
GND
The PT7700 is a new series of high-
performance, 15 Amp Integrated Switching
Regulators (ISRs) housed in a 27-pin SIP
package. The 15A capability allows easy
integration of the latest high-speed, low-
voltage μPs and bus drivers into existing 5V
systems.
The PT7700 series has been designed to
work in parallel with one or more of the
PT7749 - 15A current boosters for
increased Ioutin increments of 15A.
Two products are offered in the series
with different output voltage ranges that are
easily programmed with a 4 bit input
compatible with Intel’s Pentium
Pro
Processor. A differential remote sense is
also provided which automatically
compensates for any voltage drop from the
ISR to the load.
An input filter and 1200μF of output
capacitance are required for proper
operation.
PT7700
7 - 11
13 - 19
20 - 25
27
V
IN
GND
+
+
+
1μH
GND
V
OUT
C
OUT
+
C
IN
+
+
+
+
12
26
1
L1
SYNC OUT
LOAD
REMOTE SENSE (+)
REMOTE SENSE (-)
VID0
PROGRAMMING PINS
2
3
4
STBY*
5
Programming Information
PT7701 PT7702
Vout
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
3.4V
3.5V
VID3 VID2 VID1 VID0
1
1
1
1
1
1
1
1
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
Vout
1.30V
1.35V
1.40V
1.45V
1.50V
1.55V
1.60V
1.65V
1.70V
1.75V
1.80V
1.85V
1.90V
1.95V
2.00V
2.05V
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Note:
Logic 0 = Pin 12 (remote sense gnd) potential
Logic 1 = Open circuit (no pull-up resistors)
Pin
19
20
21
22
23
24
25
26
27
Function
GND
V
out
V
out
V
out
V
out
V
out
V
out
Remote Sense V
out
Sync Out
Specifications
Characteristics
(T
A
= 25°C unless noted)
Output Current
Input Voltage Range
Static Voltage Tolerance
PT7700 SERIES
Min
0.1
(1)
4.5
(3)
Symbols
I
o
V
in
V
o
Conditions
4.5V
≤
V
in
≤
5.5V
0.1A
≤
I
o
≤
15A
V
= +5V, I
= 15A
0°C
≤
T
a
≤
+55°C
4.5V
≤
V
in
≤
5.5V, I
o
= 15A
V
in
= +5V, 0.1
≤
I
o
≤
15A
V
in
= +5V, I
o
= 15A
I
o
step between 7.5A and 15A
V
o
over/undershoot
V
in
= +5V, I
o
= 10A
Typ
—
—
Max
15
(2)
5.5
Units
ADC
VDC
V
o
-0.05
—
V
o
+0.05
VDC
Line Regulation
Load Regulation
V
o
Ripple/Noise pk-pk
Transient Response
with C
out
= 1200μF
Efficiency
Reg
line
Reg
load
V
n
t
tr
V
os
η
—
—
—
—
—
—
—
—
—
—
±10
±10
50
100
200
89
87
85
79
77
—
—
—
—
—
—
—
—
—
—
mV
mV
mV
μSec
mV
%
%
%
%
%
V
o
= 3.3V
V
o
= 2.9V
V
o
= 2.5V
V
o
= 1.8V
V
o
= 1.5V
Switching Frequency
o
4.5V
≤
V
in
≤
5.5V
0.1A
≤
I
o
≤
15A
Forced Air Flow = 200 LFM
Over V
in and
I
o
Ranges
—
—
Non-condensing
650
700
750
kHz
Operating Temperature
T
a
0
—
+55
°C
Storage Temperature
Weight
Relative Humidity
(1) ISR will operate down to no load with reduced specifications Please note that this product is not short-circuit protected.
(2) The PT7700 series can be easily paralleled with one or more of the PT7749 slave modules to provide increased output current in increments of 15A.
Please contact Power Trends for the appropriate application note.
(3) The minimum input voltage is 4.5V or V
out
+1.2V, whichever is greater.
Output Capacitors:
The PT7700 series requires A minimum output capacitance of 1200μF for proper operation. To reduce ESR, Power Trends recommends using four 330μF
electrolytic capacitors in parallel.
Input Filter:
An input filter is required for all applications. The input inductor must be sized to handle 15ADC with a typical value of 1μH. The input capacitance must be rated
for 14Arms of ripple current. Power Trends recommends using four Sanyo OSCON style capacitors with a 3.5Arms ripple current rating in parallel (p/n 6SA330M).
T
s
—
—
-40
—
0
—
TBD
—
+125
—
95
°C
grams
%
Single-Device: +5V input
4-bit Programmable:
2V to 3.5V@15A or
1.3V to 2V @ 15A output
High Efficiency
Input Voltage Range:
4.5V to 5.5V
Differential Remote Sense
27-pin SIP Package:
V = 1.0”(H) x 3”(L) x 0.55”(W)
H = 0.55”(H) x 3”(L) x 1.5”(W)
Parallelable with PT7749
15A “Current Boosters”
Features
SLTS077
Revised 5/31/00
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PT7700 | 18A Programmable ISR Family |
| PT7712A | 20-A Programmable Integrated Switching Regulator |
| PT7712N | 20-A Programmable Integrated Switching Regulator |
| PT7712VD | 20-A Programmable Integrated Switching Regulator |
| PT7721 | 1.3 to 3.5Vout 17Amp 12V-Input 'Big-Hammer' II Programmable ISR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PT7702 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:15 AMP HIGH-PERFORMANCE BIG HAMMER PROGRAMMABLE ISR |
| PT7702A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:15 AMP HIGH-PERFORMANCE BIG HAMMER PROGRAMMABLE ISR |
| PT7702C | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 PROGRAMMABLE ISR RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| PT7702N | 制造商:TI 制造商全稱:Texas Instruments 功能描述:15 AMP HIGH-PERFORMANCE BIG HAMMER PROGRAMMABLE ISR |
| PT7705 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:18 AMP “BIG-HAMMER” PROGRAMMABLE INTEGRATED SWITCHING REGULATOR |
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